Sochi Winter Olympics Recap — Shaun White Finishes Without Medal

American snowboarder Shaun White did not medal in his signature event, and Norway took the lead in overall medals. Here's a recap of Tuesday's action in Sochi:

Shaun White Finishes Without Medal in Halfpipe

U.S. snowboarder Shaun White had the top score in the qualifying round of the halfpipe on Tuesday, but the two-time defending Olympic gold medalist fell in the finals and finished out of the medals in fourth place.

Swiss boarder Iouri Podladtchikov seized the gold with Ayumu Hirano and Taku Hiraoka of Japan taking silver and bronze, respectively. White's finish meant the Americans did not medal in the halfpipe for the first time since the event debuted in 1998 at Nagano, Japan.

Erin Hamlin Wins Bronze in Luge

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While Germans Natalie Geisenberger and Tatjana Huefner respectively claimed the gold and silver medals in the women's luge on Tuesday night in Sochi, American Erin Hamlin slid into history by earning the bronze. Hamlin's third-place finish gave her the first Olympic medal ever awarded to a U.S. singles luger.

Canadians Add Slopestyle Medals; American Devin Logan Wins Silver

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Canada's Dara Howell completed a sparkling run — including a two-and-a-half rotation spin — to claim the gold medal in the skiing slopestyle competition at the Rosa Khutor Extreme Park on Tuesday. Teammate Kim Lamarre captured the bronze to give Canada seven total medals in snowboarding and freestyle skiing events thus far at the Sochi Games.

Devin Logan of the United States took home silver. The 20-year-old Vermont native scored an 85.40 to prevent a Canadian sweep of the event. Logan's medal was the Americans' third overall in the newly added Olympic event.

Matt Lauer Replaces Bob Costas On Broadcast

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American television viewers will see a different lead anchor on NBC's Olympic broadcast on Tuesday night. 'Today' host Matt Lauer will fill in for the ailing Bob Costas, who has been beset with an eye infection since the start of the Sochi Games.

Costas soldiered through Monday's broadcasts, but NBC announced he'd step aside for Lauer with the hope of returning soon. Costas has hosted all of NBC's primetime Olympic coverage since 1988.

Medal Count

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Norway surged ahead in the overall medal count on Tuesday thanks to Ola Vigen Hattestad's gold in the men's cross country skiing sprint and Maiken Caspersen Falla and Ingvild Flugstad Østberg taking the top two spots in the women's sprint. The U.S. was tied with Russia for fourth place with seven total medals.